package com.itheima;

import org.apache.commons.io.IOUtils;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet("/demo5")
public class ServletDemo5 extends HttpServlet {

    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //第一句 就是设置编码
       // req.setCharacterEncoding("utf-8");
        //resp.setContentType("text/html;charset=utf-8");
       FileInputStream fis = new FileInputStream("d://a.png");
        ServletOutputStream outputStream = resp.getOutputStream();
        IOUtils.copy(fis,outputStream);


    }

}